ref: 6519a0a6f21e7935c2db7ed75ed4afa9001f7b7c dir: /libc/fmtlock.c/
#include <u.h> #include <libc.h> static Lock fmtl; void _fmtlock(void) { lock(&fmtl); } void _fmtunlock(void) { unlock(&fmtl); }