Dynamic Memory allocation Learning notes

#include <stdio.h> #include <stdlib.h>char *substr (const char *s, int n1, int n2) {Char *p = (char *) malloc (n2-n1 +2) int i,j=0;for (i=n1;i<=n2;i++,j++) p[j] = S[i];p [j] = ' + '; return p;} void Main (void) {char s[80], *sub;int N1, n2;printf ("Enter the original string:"), scanf ("%s", s);p rintf ("Enter start and end position:"); scanf ("%d%d",& N1,&N2); sub = substr (s,n1,n2);p rintf ("substring:%s", sub);}

Dynamic Memory allocation Learning notes