ref: 793efcee28211f3670a70e42efd7fa3d9a3ec92d dir: /sys/src/cmd/unix/drawterm/libc/mallocz.c/
#include <u.h> #include <libc.h> void* mallocz(ulong n, int clr) { void *v; v = malloc(n); if(v && clr) memset(v, 0, n); return v; }