Welcome to the forum, William!
Answering your question
Now everything > len in snum, can go into another string, if you want.Code:#include <stdio.h> #include <string.h> int main(void) { int i, len; char snum[15]={"1234567890.123"}; char newnum[15]; i=0; len=strlen(snum); while(snum[i] != '.' && i < len) { newnum[i]=snum[i]++; } newnum[i]='\0'; printf("%s\n",newnum); printf("\n"); return 0; }