/opt/IBM/openxlC/17.1.1/bin/ibm-clang -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_socket/getsockname.c -o sys_socket/getsockname -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -latomic
sys_socket/getsockname.c:5:67: error: use of undeclared identifier 'getsockname'; did you mean 'ngetsockname'?
int (*foo)(int, struct sockaddr *restrict, socklen_t *restrict) = getsockname;
                                                                  ^~~~~~~~~~~
                                                                  ngetsockname
/usr/include/sys/socket.h:642:9: note: 'ngetsockname' declared here
int     getsockname(int, struct sockaddr *__restrict__, socklen_t *__restrict__);
        ^
/usr/include/sys/socket.h:170:25: note: expanded from macro 'getsockname'
#define getsockname     ngetsockname
                        ^
1 error generated.