cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations spawn/posix_spawnattr_setschedparam.c -o spawn/posix_spawnattr_setschedparam -D_POSIX_C_SOURCE=202405L -lm -lpthread -lnetwork -lbsd -latomic
spawn/posix_spawnattr_setschedparam.c:6:79: error: 'posix_spawnattr_setschedparam' undeclared here (not in a function); did you mean 'posix_spawnattr_setsigdefault'?
    6 | int (*foo)(posix_spawnattr_t *restrict, const struct sched_param *restrict) = posix_spawnattr_setschedparam;
      |                                                                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                                               posix_spawnattr_setsigdefault