cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration inttypes/wcstoumax.c -o inttypes/wcstoumax -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lnetwork -lbsd -latomic
inttypes/wcstoumax.c: In function 'main':
inttypes/wcstoumax.c:11:27: error: implicit declaration of function 'wcstoumax'; did you mean 'wcstombs'? [-Werror=implicit-function-declaration]
   11 |         uintmax_t value = wcstoumax(L"-4611686014132420609.1end", &end, 10);
      |                           ^~~~~~~~~
      |                           wcstombs
cc1: some warnings being treated as errors