Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/ape/lib/ap/gen/calloc.c
#include <stdlib.h> #include <string.h> void * calloc(size_t nmemb, size_t size) { void *mp; nmemb = nmemb*size; if(mp = malloc(nmemb)) memset(mp, 0, nmemb); return(mp); }