ref: 6c4be825d2f7c5f2c1a8c01f97b0c4cbec6b8aa3 dir: /libc/fmtlock.c/
#include <u.h> #include <libc.h> static Lock fmtl; void __fmtlock(void) { lock(&fmtl); } void __fmtunlock(void) { unlock(&fmtl); }