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+{{keywords>wiki library source code example reference}}
+===== isspace =====
+<code c>
+    int isspace(int chr);
+</code>
+checks whether a character a space
+===== C Sourcecode Example =====
+<code c>
+#include <stdio.h> /* including standard library */
+//#include <windows.h> /* uncomment this for Windows */
+#include <ctype.h>
+int main ( void )
+{
+  int i;
+  char string[11]="Test -!&%1";
+  for (i=0; i <= 11;i++)
+    {
+     if ( isspace(string[i]) != 0 )
+      {
+       printf("Character %i is a space\n",i);
+      }
+    }
+  return 0;
+}
+</code>
+==== output ====
+    output:
+    user@host:~$ ./isspace
+    Character 4 is a space
+    Character 11 is a space

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