github.com/afumu/libc@v0.0.6/musl/src/unistd/tcsetpgrp.c (about)

     1  #include <unistd.h>
     2  #include <termios.h>
     3  #include <sys/ioctl.h>
     4  
     5  int tcsetpgrp(int fd, pid_t pgrp)
     6  {
     7  	int pgrp_int = pgrp;
     8  	return ioctl(fd, TIOCSPGRP, &pgrp_int);
     9  }