please god, let it work

jcl/TXTWKR01.jcl

@@ -3,3 +3,4 @@
 //STEP1   EXEC GCCCG,INFILE='@05054.SRCLIB.C(TXTWKR01)'
 //GO.TESTDD DD DSN=@05054.DATA(TESTMEM),DISP=SHR,
 //             DCB=(RECFM=FB,LRECL=80,BLKSIZE=0,DSORG=PS)
+

src/TXTWKR01.c

@@ -6,6 +6,7 @@
 
 int main(void)
 {
+    int i; /* for loop counter */
     FILE *fp;
     char lines[MAX_LINES][LINE_LEN];
     int count = 0;
@@ -34,7 +35,7 @@ int main(void)
         return 1;
     }
 
-    for (int i = 0; i < count; i++) {
+    for (i = 0; i < count; i++) {
         fputs(lines[i], fp);
     }
     fputs("Appended from C program!\n", fp);