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.

integer absolute value function

cause abnormal program termination

convert ASCII string to long or long long integer

convert ASCII string to integer

convert ASCII string to double

register a function to be called on exit

memory allocation

binary search of a sorted table

perform normal program termination

convert double to ASCII string

return quotient and remainder from division

return quotient and remainder from division

environment variable functions

return the absolute value of a long integer

sort functions

convert a string value to a long , long long , intmax_t or quad_t integer

convert a string to an unsigned long , unsigned long long , uintmax_t , or u_quad_t integer

pass a command to the shell

convert ASCII string to floating point

Generate random number