ref: d920d42c8bad0719f8a91f5121d5f7c080e2a332 dir: /libc/fmtlock.c/
#include <u.h> #include <libc.h> static Lock fmtl; void _fmtlock(void) { lock(&fmtl); } void _fmtunlock(void) { unlock(&fmtl); }