/*** Global prototypes ***/
/*** These functions will exit on error. No need to check return code ***/
/* for calloc: x = calloc(4,sizeof(char)) -> os_calloc(4,sizeof(char),x) */
/*** Global prototypes ***/
/*** These functions will exit on error. No need to check return code ***/
/* for calloc: x = calloc(4,sizeof(char)) -> os_calloc(4,sizeof(char),x) */