int write_file(const char *path,const void *buff, unsigned offset,unsigned count,unsigned *writes) { int retval; __asm__ __volatile__( "pushl $0 \n\t" "pushl $0 \n\t" "movl %%eax, 1(%%esp) \n\t" "pushl %%ebx \n\t" "pushl %%edx \n\t" "pushl $0 \n\t" "pushl %%ecx \n\t" "pushl $3 \n\t" "movl %%esp, %%ebx \n\t" "mov $70, %%eax \n\t" "int $0x40 \n\t" "testl %%esi, %%esi \n\t" "jz 1f \n\t" "movl %%ebx, (%%esi) \n\t" "1:" "addl $28, %%esp \n\t" :"=a" (retval) :"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(writes)); return retval; };