musl - an implementation of the standard library for Linux-based systems
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#define _BSD_SOURCE
#include <unistd.h>
#include <stdint.h>
#include <errno.h>
#include "syscall.h"
void *sbrk(intptr_t inc)
{
if (inc) return (void *)__syscall_ret(-ENOMEM);
return (void *)__syscall(SYS_brk, 0);
}
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