Symbol: strnchrnul
drivers/firmware/efi/earlycon.c
162
count = strnchrnul(str, num, '\n') - str;
include/linux/string.h
178
extern char * strnchrnul(const char *, size_t, int);
lib/bitmap-str.c
476
const char *end = strnchrnul(start, buflen, '\n') - 1;