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- #include <string.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <malloc.h>
- char *getenv(var)
- const char *var;
- {
- char **p;
- int len;
- len = strlen(var);
- if (!__environ)
- return 0;
- for (p = __environ; *p; p++) {
- if (memcmp(var, *p, len) == 0 && (*p)[len] == '=')
- return *p + len + 1;
- }
- return 0;
- }
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