github.com/afumu/libc@v0.0.6/musl/src/linux/sbrk.c (about)

     1  #define _BSD_SOURCE
     2  #include <unistd.h>
     3  #include <stdint.h>
     4  #include <errno.h>
     5  #include "syscall.h"
     6  
     7  void *sbrk(intptr_t inc)
     8  {
     9  	if (inc) return (void *)__syscall_ret(-ENOMEM);
    10  	return (void *)__syscall(SYS_brk, 0);
    11  }