Stdlib.h
Overview
Stdlib.h library belongs to C standard library and provides and defines numeric conversion functions, pseudo-random numbers generation functions, memory allocation, process control functions.Section Pages
abs
integer absolute value function
abort
cause abnormal program termination
atol
convert ASCII string to long or long long integer
atoi
convert ASCII string to integer
atof
convert ASCII string to double
atexit
register a function to be called on exit
malloc
memory allocation
bsearch
binary search of a sorted table
exit
perform normal program termination
ecvt
convert double to ASCII string
div
return quotient and remainder from division
ldiv
return quotient and remainder from division
getenv
environment variable functions
labs
return the absolute value of a long integer
qsort
sort functions
strtol
convert a string value to a long, long long, intmax_t or quad_t integer
strtoul
convert a string to an unsigned long, unsigned long long, uintmax_t, or u_quad_t integer
system
pass a command to the shell
strtod
convert ASCII string to floating point
rand
Generate random number