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#include <string.h>
#include <stdlib.h>
#include <dietwarning.h>
link_warning("setenv","setenv calls malloc. Avoid it in small programs.");
int setenv(const char *name, const char *value, int overwrite) {
char *c=malloc(strlen(name)+strlen(value)+3);
if (getenv(name)) {
if (!overwrite) return 0;
unsetenv(name);
}
strcpy(c,name);
strcat(c,"=");
strcat(c,value);
return putenv(c);
}
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