249 lines
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249 lines
12 KiB
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<title>
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The C Library Reference Guide
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<!-- Changed by: eric huss, 12-Mar-1997 -->
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<body text="#000000" bgcolor="#FFFFFF">
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<center>
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<h1>The C Library Reference Guide</h1>
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<i>by Eric Huss</i><br>
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© Copyright 1997 Eric Huss<br>
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<br>
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Release 1
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</center>
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<hr size=5>
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<pre>
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<b><a href="introduction.html">Introduction</a></b>
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1. <b>Language</b>
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1.1 <a href="1.1.html">Characters</a>
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1.1.1 Trigraph Characters
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1.1.2 Escape Sequences
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1.1.3 Comments
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1.2 <a href="1.2.html">Identifiers</a>
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1.2.1 <a href="1.2.html#keywords">Keywords</a>
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1.2.2 <a href="1.2.html#variables">Variables</a>
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1.2.3 <a href="1.2.html#enum">Enumerated Tags</a>
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1.2.4 <a href="1.2.html#arrays">Arrays</a>
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1.2.5 <a href="1.2.html#struct">Structures and Unions</a>
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1.2.6 <a href="1.2.html#const">Constants</a>
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1.2.7 <a href="1.2.html#strings">Strings</a>
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1.2.8 <a href="1.2.html#sizeof">sizeof Keyword</a>
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1.3 <a href="1.3.html">Functions</a>
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1.3.1 Definition
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1.3.2 Program Startup
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1.4 <a href="1.4.html">References</a>
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1.4.1 Pointers and the Address Operator
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1.4.2 Typecasting
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1.5 <a href="1.5.html">Operators</a>
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1.5.1 Postfix
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1.5.2 Unary and Prefix
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1.5.3 Normal
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1.5.4 Boolean
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1.5.5 Assignment
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1.5.6 Precedence
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1.6 <a href="1.6.html">Statements</a>
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1.6.1 <a href="1.6.html#if">if</a>
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1.6.2 <a href="1.6.html#switch">switch</a>
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1.6.3 <a href="1.6.html#while">while</a>
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1.6.4 <a href="1.6.html#do">do</a>
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1.6.5 <a href="1.6.html#for">for</a>
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1.6.6 <a href="1.6.html#goto">goto</a>
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1.6.7 <a href="1.6.html#continue">continue</a>
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1.6.8 <a href="1.6.html#break">break</a>
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1.6.9 <a href="1.6.html#return">return</a>
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1.7 <a href="1.7.html">Preprocessing Directives</a>
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1.7.1 <a href="1.7.html#conditional">#if, #elif, #else, #endif</a>
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1.7.2 <a href="1.7.html#define">#define, #undef, #ifdef, #ifndef</a>
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1.7.3 <a href="1.7.html#include">#include</a>
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1.7.4 <a href="1.7.html#line">#line</a>
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1.7.5 <a href="1.7.html#error">#error</a>
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1.7.6 <a href="1.7.html#pragma">#pragma</a>
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1.7.7 <a href="1.7.html#macros">Predefined Macros</a>
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2. <b>Library</b>
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2.1 <a href="2.1.html">assert.h</a>
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2.1.1 assert
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2.2 <a href="2.2.html">ctype.h</a>
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2.2.1 is... Functions
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2.2.2 to... Functions
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2.3 <a href="2.3.html">errno.h</a>
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2.3.1 EDOM
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2.3.2 ERANGE
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2.3.3 errno
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2.4 <a href="2.4.html">float.h</a>
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2.4.1 Defined Values
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2.5 <a href="2.5.html">limits.h</a>
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2.5.1 Defined Values
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2.6 <a href="2.6.html">locale.h</a>
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2.6.1 Variables and Definitions
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2.6.2 setlocale
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2.6.3 localeconv
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2.7 <a href="2.7.html">math.h</a>
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2.7.1 Error Conditions
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2.7.2 Trigonometric Functions
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2.7.2.1 <a href="2.7.html#acos">acos</a>
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2.7.2.2 <a href="2.7.html#asin">asin</a>
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2.7.2.3 <a href="2.7.html#atan">atan</a>
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2.7.2.4 <a href="2.7.html#atan2">atan2</a>
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2.7.2.5 <a href="2.7.html#cos">cos</a>
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2.7.2.6 <a href="2.7.html#cosh">cosh</a>
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2.7.2.7 <a href="2.7.html#sin">sin</a>
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2.7.2.8 <a href="2.7.html#sinh">sinh</a>
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2.7.2.9 <a href="2.7.html#tan">tan</a>
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2.7.2.10 <a href="2.7.html#tanh">tanh</a>
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2.7.3 Exponential, Logarithmic, and Power Functions
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2.7.3.1 <a href="2.7.html#exp">exp</a>
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2.7.3.2 <a href="2.7.html#frexp">frexp</a>
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2.7.3.3 <a href="2.7.html#ldexp">ldexp</a>
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2.7.3.4 <a href="2.7.html#log">log</a>
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2.7.3.5 <a href="2.7.html#log10">log10</a>
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2.7.3.6 <a href="2.7.html#modf">modf</a>
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2.7.3.7 <a href="2.7.html#pow">pow</a>
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2.7.3.8 <a href="2.7.html#sqrt">sqrt</a>
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2.7.4 Other Math Functions
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2.7.4.1 <a href="2.7.html#ceil">ceil</a>
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2.7.4.2 <a href="2.7.html#fabs">fabs</a>
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2.7.4.3 <a href="2.7.html#floor">floor</a>
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2.7.4.4 <a href="2.7.html#fmod">fmod</a>
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2.8 <a href="2.8.html">setjmp.h</a>
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2.8.1 Variables and Definitions
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2.8.2 setjmp
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2.8.3 longjmp
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2.9 <a href="2.9.html">signal.h</a>
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2.9.1 Variables and Definitions
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2.9.2 signal
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2.9.3 raise
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2.10 <a href="2.10.html">stdarg.h</a>
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2.10.1 Variables and Definitions
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2.10.2 va_start
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2.10.3 va_arg
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2.10.4 va_end
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2.11 <a href="2.11.html">stddef.h</a>
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2.11.1 Variables and Definitions
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2.12 <a href="2.12.html">stdio.h</a>
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2.12.1 <a href="2.12.html#variables">Variables and Definitions</a>
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2.12.2 <a href="2.12.html#streams">Streams and Files</a>
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2.12.3 File Functions
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2.12.3.1 <a href="2.12.html#clearerr">clearerr</a>
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2.12.3.2 <a href="2.12.html#fclose">fclose</a>
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2.12.3.3 <a href="2.12.html#feof">feof</a>
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2.12.3.4 <a href="2.12.html#ferror">ferror</a>
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2.12.3.5 <a href="2.12.html#fflush">fflush</a>
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2.12.3.6 <a href="2.12.html#fgetpos">fgetpos</a>
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2.12.3.7 <a href="2.12.html#fopen">fopen</a>
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2.12.3.8 <a href="2.12.html#fread">fread</a>
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2.12.3.9 <a href="2.12.html#freopen">freopen</a>
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2.12.3.10 <a href="2.12.html#fseek">fseek</a>
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2.12.3.11 <a href="2.12.html#fsetpos">fsetpos</a>
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2.12.3.12 <a href="2.12.html#ftell">ftell</a>
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2.12.3.13 <a href="2.12.html#fwrite">fwrite</a>
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2.12.3.14 <a href="2.12.html#remove">remove</a>
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2.12.3.15 <a href="2.12.html#rename">rename</a>
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2.12.3.16 <a href="2.12.html#rewind">rewind</a>
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2.12.3.17 <a href="2.12.html#setbuf">setbuf</a>
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2.12.3.18 <a href="2.12.html#setvbuf">setvbuf</a>
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2.12.3.19 <a href="2.12.html#tmpfile">tmpfile</a>
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2.12.3.20 <a href="2.12.html#tmpnam">tmpnam</a>
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2.12.4 Formatted I/O Functions
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2.12.4.1 <a href="2.12.html#printf">...printf Functions</a>
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2.12.4.2 <a href="2.12.html#scanf">...scanf Functions</a>
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2.12.5 Character I/O Functions
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2.12.5.1 <a href="2.12.html#fgetc">fgetc</a>
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2.12.5.2 <a href="2.12.html#fgets">fgets</a>
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2.12.5.3 <a href="2.12.html#fputc">fputc</a>
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2.12.5.4 <a href="2.12.html#fputs">fputs</a>
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2.12.5.5 <a href="2.12.html#getc">getc</a>
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2.12.5.6 <a href="2.12.html#getchar">getchar</a>
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2.12.5.7 <a href="2.12.html#gets">gets</a>
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2.12.5.8 <a href="2.12.html#putc">putc</a>
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2.12.5.9 <a href="2.12.html#putchar">putchar</a>
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2.12.5.10 <a href="2.12.html#puts">puts</a>
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2.12.5.11 <a href="2.12.html#ungetc">ungetc</a>
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2.12.7 Error Functions
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2.12.7.1 <a href="2.12.html#perror">perror</a>
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2.13 <a href="2.13.html">stdlib.h</a>
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2.13.1 <a href="2.13.html#variables">Variables and Definitions</a>
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2.13.2 String Functions
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2.13.2.1 <a href="2.13.html#atof">atof</a>
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2.13.2.2 <a href="2.13.html#atoi">atoi</a>
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2.13.2.3 <a href="2.13.html#atol">atol</a>
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2.13.2.4 <a href="2.13.html#strtod">strtod</a>
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2.13.2.5 <a href="2.13.html#strtol">strtol</a>
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2.13.2.6 <a href="2.13.html#strtoul">strtoul</a>
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2.13.3 Memory Functions
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2.13.3.1 <a href="2.13.html#calloc">calloc</a>
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2.13.3.2 <a href="2.13.html#free">free</a>
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2.13.3.3 <a href="2.13.html#malloc">malloc</a>
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2.13.3.4 <a href="2.13.html#realloc">realloc</a>
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2.13.4 Environment Functions
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2.13.4.1 <a href="2.13.html#abort">abort</a>
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2.13.4.2 <a href="2.13.html#atexit">atexit</a>
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2.13.4.3 <a href="2.13.html#exit">exit</a>
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2.13.4.4 <a href="2.13.html#getenv">getenv</a>
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2.13.4.5 <a href="2.13.html#system">system</a>
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2.13.5 Searching and Sorting Functions
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2.13.5.1 <a href="2.13.html#bsearch">bsearch</a>
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2.13.5.2 <a href="2.13.html#qsort">qsort</a>
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2.13.6 Math Functions
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2.13.6.1 <a href="2.13.html#abs">abs</a>
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2.13.6.2 <a href="2.13.html#div">div</a>
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2.13.6.3 <a href="2.13.html#labs">labs</a>
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2.13.6.4 <a href="2.13.html#ldiv">ldiv</a>
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2.13.6.5 <a href="2.13.html#rand">rand</a>
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2.13.6.6 <a href="2.13.html#srand">srand</a>
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2.13.7 Multibyte Functions
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2.13.7.1 <a href="2.13.html#mblen">mblen</a>
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2.13.7.2 <a href="2.13.html#mbstowcs">mbstowcs</a>
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2.13.7.3 <a href="2.13.html#mbtowc">mbtowc</a>
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2.13.7.4 <a href="2.13.html#wcstombs">wcstombs</a>
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2.13.7.5 <a href="2.13.html#wctomb">wctomb</a>
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2.14 <a href="2.14.html">string.h</a>
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2.14.1 <a href="2.14.html#variables">Variables and Definitions</a>
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2.14.2 <a href="2.14.html#memchr">memchr</a>
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2.14.3 <a href="2.14.html#memcmp">memcmp</a>
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2.14.4 <a href="2.14.html#memcpy">memcpy</a>
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2.14.5 <a href="2.14.html#memmove">memmove</a>
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2.14.6 <a href="2.14.html#memset">memset</a>
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2.14.7 <a href="2.14.html#strcat">strcat</a>
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2.14.8 <a href="2.14.html#strncat">strncat</a>
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2.14.9 <a href="2.14.html#strchr">strchr</a>
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2.14.10 <a href="2.14.html#strcmp">strcmp</a>
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2.14.11 <a href="2.14.html#strncmp">strncmp</a>
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2.14.12 <a href="2.14.html#strcoll">strcoll</a>
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2.14.13 <a href="2.14.html#strcpy">strcpy</a>
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2.14.14 <a href="2.14.html#strncpy">strncpy</a>
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2.14.15 <a href="2.14.html#strcspn">strcspn</a>
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2.14.16 <a href="2.14.html#strerror">strerror</a>
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2.14.17 <a href="2.14.html#strlen">strlen</a>
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2.14.18 <a href="2.14.html#strpbrk">strpbrk</a>
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2.14.19 <a href="2.14.html#strrchr">strrchr</a>
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2.14.20 <a href="2.14.html#strspn">strspn</a>
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2.14.21 <a href="2.14.html#strstr">strstr</a>
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2.14.22 <a href="2.14.html#strtok">strtok</a>
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2.14.23 <a href="2.14.html#strxfrm">strxfrm</a>
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2.15 <a href="2.15.html">time.h</a>
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2.15.1 <a href="2.15.html#variables">Variables and Definitions</a>
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2.15.2 <a href="2.15.html#asctime">asctime</a>
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2.15.3 <a href="2.15.html#clock">clock</a>
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2.15.4 <a href="2.15.html#ctime">ctime</a>
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2.15.5 <a href="2.15.html#difftime">difftime</a>
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2.15.6 <a href="2.15.html#gmtime">gmtime</a>
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2.15.7 <a href="2.15.html#localtime">localtime</a>
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2.15.8 <a href="2.15.html#mktime">mktime</a>
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2.15.9 <a href="2.15.html#strftime">strftime</a>
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2.15.10 <a href="2.15.html#time">time</a>
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<b>Appendix A</b>
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<a href="a.html">ASCII Chart</a>
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<b>Index</b>
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<a href="index2.html">Index</a>
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</pre>
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<hr>
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<center>
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<font size=-1>Questions, comments, or error reports? Please send them to
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<a href="mailto:e-huss@uiuc.edu">Eric Huss</a>
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</center>
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</body>
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