clang -O2  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations monetary/strfmon_l.c -o monetary/strfmon_l -D_POSIX_C_SOURCE=202405L  -lm  -lintl
monetary/strfmon_l.c:5:40: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int]
ssize_t (*foo)(char *restrict, size_t, locale_t, const char *restrict, ...) = strfmon_l;
                                       ^
monetary/strfmon_l.c:5:79: error: use of undeclared identifier 'strfmon_l'; did you mean 'strfmon'?
ssize_t (*foo)(char *restrict, size_t, locale_t, const char *restrict, ...) = strfmon_l;
                                                                              ^~~~~~~~~
                                                                              strfmon
/usr/include/monetary.h:48:9: note: 'strfmon' declared here
ssize_t strfmon(char * __restrict, size_t, const char * __restrict, ...)
        ^
monetary/strfmon_l.c:5:11: error: incompatible pointer types initializing 'ssize_t (*)(char *restrict, size_t, int, const char *restrict, ...)' with an expression of type 'ssize_t (char *restrict, size_t, const char *restrict, ...)' [-Werror,-Wincompatible-pointer-types]
ssize_t (*foo)(char *restrict, size_t, locale_t, const char *restrict, ...) = strfmon_l;
          ^                                                                   ~~~~~~~~~
3 errors generated.