cc -pthread -Wall -Wextra -Werror=implicit-function-declaration wchar/wcslcpy.c -o wchar/wcslcpy -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -lcrypt -latomic wchar/wcslcpy.c: In function 'main': wchar/wcslcpy.c:11:25: error: implicit declaration of function 'wcslcpy'; did you mean 'wcsncpy'? [-Wimplicit-function-declaration] 11 | size_t result = wcslcpy(dst, src, 4); | ^~~~~~~ | wcsncpy