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C Language Programming Library Reference Guide

Reference Guide of C Language Libraries

LANGUAGE

Characters	Trigraph Characters Escape Sequences Comments
Identifiers	Keywords Variables Enumerated Tags Arrays Structures and Unions Constants Strings sizeof Keyword
Functions	Definition Program Startup
References	Pointers and the Address Operator Typecasting
Operators	Postfix Unary and Prefix Normal Boolean Assignment Precedence
Statements	if switch while do for goto continue break return
Preprocessing Directives	#if, #elif, #else, #endif #define, #undef, #ifdef, #ifndef #include #line #error #pragma Predefined Macros
LIBRARY
assert.h	assert.h
ctype.h	ctype.h is... Functions to... Functions
errno.h	errno.h EDOM ERANGE errno
float.h	Defined Values
limits.h	Defined Values
locale.h	locale.h Variables and Definitions setlocale localeconv
math.h	math.h Error Conditions Trigonometric Functions acos asin atan atan2 cos cosh sin sinh tan tanh Exponential, Logarithmic, and Power Functions exp frexp ldexp log log10 modf pow sqrt Other Math Functions ceil fabs floor fmod
setjmp.h	setjmp.h Variables and Definitions setjmp longjmp
signal.h	signal.h Variables and Definitions signal raise
stdarg.h	stdarg.h Variables and Definitions va_start va_arg va_end
stddef.h	stddef.h Variables and Definitions
stdio.h	stdio.h Variables and Definitions Streams and Files File Functions clearerr fclose feof ferror fflush fgetpos fopen fread freopen fseek fsetpos ftell fwrite remove rename rewind setbuf setvbuf tmpfile tmpnam Formatted I/O Functions printf Functions scanf Functions Character I/O Functions fgetc fgets fputc fputs getc getchar gets putc putchar puts ungetc Error Functions perror
stdlib.h	stdlib.h Variables and Definitions String Functions atof atoi atol strtod strtol strtoul Memory Functions calloc free malloc realloc Environment Functions abort atexit exit getenv system Searching and Sorting Functions bsearch qsort Math Functions abs div labs ldiv rand srand Multibyte Functions mblen mbstowcs mbtowc wcstombs wctomb
string.h	string.h Variables and Definitions memchr memcmp memcpy memmove memset strcat strncat strchr strcmp strncmp strcoll strcpy strncpy strcspn strerror strlen strpbrk strrchr strspn strstr strtok strxfrm
time.h	time.h Variables and Definitions asctime clock ctime difftime gmtime localtime mktime strftime time

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C Language Programming Library Reference Guide

Reference Guide of C Language Libraries

LANGUAGE

Characters

Identifiers

Functions

References

Operators

Statements

Preprocessing Directives

LIBRARY

assert.h

ctype.h

errno.h

float.h

limits.h

locale.h

math.h

setjmp.h

signal.h

stdarg.h

stddef.h

stdio.h

stdlib.h

string.h

time.h