Types
--------------------------------------------------------
div_t (structure returned by div)
ldiv_t (structure returned by ldiv)
Constants
--------------------------------------------------------
NULL
EXIT_FAILURE (Portable error code for exit)
EXIT_SUCCESS (Portable success code for exit)
RAND_MAX (Max value returned by rand)
MB_CUR_MAX (Max # of bytes in a multi-byte character)
String Conversion Functions
--------------------------------------------------------
atof strtod
atoi strtol
atol strtoul
Random number Functions
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rand (Returns the next pseudo-random number)
srand ("Seeds" the sequence of pseudo-random
numbers)
Memory Management
--------------------------------------------------------
calloc realloc
malloc free
Interface to the Environment
--------------------------------------------------------
abort getenv
atexit system
exit
Searching and Sorting
--------------------------------------------------------
bsearch
qsort
Integer Arithmetic
--------------------------------------------------------
abs labs
div ldiv
Multibyte Character Functions
--------------------------------------------------------
mblen mbctowcs
mbtowc wcstombs
wctomb