cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations spawn/posix_spawnattr_getschedpolicy.c -o spawn/posix_spawnattr_getschedpolicy -D_POSIX_C_SOURCE=202405L -lm -lpthread -lnetwork -lbsd -latomic
spawn/posix_spawnattr_getschedpolicy.c:6:64: error: 'posix_spawnattr_getschedpolicy' undeclared here (not in a function); did you mean 'posix_spawnattr_getsigdefault'?
    6 | int (*foo)(const posix_spawnattr_t *restrict, int *restrict) = posix_spawnattr_getschedpolicy;
      |                                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                                posix_spawnattr_getsigdefault