Turbo C Context File 
PALETTE.C
MOUSE.C
BGI.C
LOW.C
GRAPHX.C
GRAPH10.C
GRAPH.C
PIXEL.C
*.CPP
C:\BC3.1\BGI\*.*
C:\BC3.1\*.C
C:\BC3.1\CLASSLIB\SOURCE\*.CPP
C:\BC3.1\CLASSLIB\SOURCE\*.C
C:\BC3.1\CLASSLIB\SOURCE\*.*
C:\SOURCE\DOS\GRAPH.C\*.*
C:\SOURCE\DOS\GRAPH.C\*.H
c:\dos\command.com
C:\SOURCE\DOS\GRAPH.C\GRAPH.C
C:\SOURCE\DOS\GRAPH.C\PIXEL.C
C:\SOURCE\DOS\GRAPH.C\GRAPH10.C
C:\SOURCE\DOS\GRAPH.C\GRAPHX.C
C:\SOURCE\DOS\GRAPH.C\BGI.C
C:\SOURCE\DOS\GRAPH.C\NONAME00.CPP
C:\SOURCE\DOS\GRAPH.C\GRAPH.C
C:\SOURCE\DOS\GRAPH.C\GRAPH10.C
C:\SOURCE\DOS\GRAPH.C\BGI.C
C:\SOURCE\DOS\GRAPH.C\BGI.H
C:\SOURCE\DOS\GRAPH.C\CHAR.H
C:\SOURCE\DOS\GRAPH.C\PALETTE.C
C:\SOURCE\DOS\GRAPH.C\GRAPH10.C
C:\SOURCE\DOS\GRAPH.C\BGI.H
C:\SOURCE\DOS\GRAPH.C\MOUSE.H
C:\SOURCE\DOS\GRAPH.C\ALLPROC.H
C:\SOURCE\DOS\GRAPH.C\PIXEL.C
 free example
#include <string.h>
#include <stdio.h>
#include <alloc.h>
int main(void)
   char *str;
   /* allocate memory for string */
   str = (char *) malloc(10);
   /* copy "Hello" to string */
   strcpy(str, "Hello");
   /* display string */
   printf("String is %s\n", str);
   /* free memory */
   free(str);
   return 0;