ref: 68790fa29627262a31301c55af35ee48b07d4a1c dir: /sys/src/libstdio/fputc.c/
/* * pANS stdio -- fputc */ #include "iolib.h" int fputc(int c, FILE *f){ return putc(c, f); /* This can be made more fair to _IOLBF-mode streams */ }