Function abs () in C
the function int abs (int x) returns the absolute value of integer x.
Tags : value of c
Div () function in C
div_t div function (int numer, int denom) divides numer numerator for denom.
Labs () function in C
function long int labs (long int x) returns the absolute value of x.
The function rand () in C
the function int rand (void) returns a random number in the range from 0 to rand_max.
Calloc () function in C
the function void * calloc (so-phan-tu, kich-co-phan-tu) allocates the requested memory and returns a pointer to it. the difference between malloc and calloc is: malloc does not
Free () function in C
the void free function (void * ptr) frees the previously allocated memory by a call to calloc, malloc, or realloc
Malloc () function in C
the malloc () function allocates the requested memory and returns a pointer to it.
Function realloc () in C
the realloc () function attempts to recover the memory block pointed to by the ptr pointer that was previously allocated with a call to malloc or calloc.
The exit () function in C
the void exit (int status) function immediately terminates the calling process. any file opened by the process is closed and any child process is inherited by the initial process