ref: f2f831eefaa00d6987f8c9a1a22597234b2ce16c 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; }