cc -pipe -O   -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdlib/ptsname_r.c -o stdlib/ptsname_r -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lrt -lcrypt
stdlib/ptsname_r.c:11:35: error: 'ptsname_r' undeclared here (not in a function); did you mean 'ptsname'?
 int (*foo)(int, char *, size_t) = ptsname_r;
                                   ^~~~~~~~~
                                   ptsname