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--- c:stdlib.h:getenv [2013/01/22 22:02]
+++ c:stdlib.h:getenv [2024/02/16 01:04] (current)
@@ Line 1: / Line 1: @@
+{{keywords>wiki library source code example reference}}
+====== getenv ======
+<code c>
+    #include <stdlib.h>
+    char *getenv(const char *name);
+</code>
+getenv matches the string pointed to by name\\
+returns a pointer to the value in the environment, or NULL if there is no match.\\
+===== getenv C Sourcecode Example =====
+<code c>
+/*
+ * getenv example code
+ * http://code-reference.com/c/stdlib.h/getenv
+ */
+#include <stdio.h> /* including standard library */
+//#include <windows.h> /* uncomment this for Windows */
+#include <stdlib.h>
+int main ( void )
+{
+  char *env;
+  env = getenv ("USER");
+  if (env!=NULL) {
+    printf ("Your Username is: %s\n", env);
+  }
+  return 0;
+}
+</code>
+==== Output ====
+    user@host:~$ ./getenv
+    Your Username is: code-reference.com

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