Defined in 2 files as a prototype:

• bsd/libkern/libkern.h, line 173 (as a prototype)
• osfmk/libsa/stdio.h, line 70 (as a prototype)

Defined in 1 files as a function:

• bsd/kern/subr_prf.c, line 447 (as a function)

Referenced in 2 files:

• libsyscall/mach/fprintf_stderr.c, line 56
• libsyscall/mach/panic.c, line 79