signgam.c

来自「用于嵌入式Linux系统的标准C的库函数」· C语言 代码 · 共 17 行

/* The signgam variable is stored in the reentrancy structure.  This
   function returns its address for use by the macro signgam defined in
   math.h.  */

#include <math.h>
#include <reent.h>

#ifndef _REENT_ONLY

int *
_DEFUN_VOID (__signgam)
{
  return &_REENT_SIGNGAM(_REENT);
}

#endif