environ.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 37 行

/* Copyright (c) 1995, 1996, 2002 Red Hat Incorporated.
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/* Provide a definition of `environ' if crt0.o doesn't.  */

static char *initial_env[] = { 0 };

/* Posix says `environ' is a pointer to a null terminated list of pointers.
   Hence `environ' itself is never NULL.  */
char **environ = &initial_env[0];