Simple match for String Matching

1 # include <iostream> 2 # include <cstdio> 3 # include <string> 4 using namespace STD; 5 Int index (char * a, char * B) 6 {7 int n = 0; // The parent string offset, initially 0 8 while (A [n]! = '\ 0') 9 {10 int M = N; 11 int K; // substring offset 12 for (k = 0; B [k]! = '\ 0'; k ++) 13 {14 if (a [M ++]! = B [k]) // mismatch. Immediately stop 15 {16 break; 17} 18} 19 if (B [k] = '\ 0 ') // match successful 20 {21 return N; 22} 23 n ++; // parent string, starting to move 24} 25 return-1; 26} 27 int main () 28 {29 char * A = "abcdef"; 30 char * B = "cdef"; 31 cout <index (a, B) <Endl; 32}

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Simple match for String Matching