ref: 7732ac0a9b2e8f6c07945bfb8a99bd80f8f028ed dir: /libc/fmtlock.c/
#include <u.h> #include <libc.h> static Lock fmtl; void _fmtlock(void) { lock(&fmtl); } void _fmtunlock(void) { unlock(&fmtl); }