Defined in 3 files as a macro:
- external/gpl3/gcc/dist/libsanitizer/include/sanitizer/linux_syscall_hooks.h, line 1356 (as a macro)
- sys/external/bsd/compiler_rt/dist/include/sanitizer/linux_syscall_hooks.h, line 1358 (as a macro)
- sys/external/bsd/compiler_rt/dist/include/sanitizer/netbsd_syscall_hooks.h, line 1324 (as a macro)