Problems with using execvp on a constructed string

Question

I\'m trying to write a shell, and part of its construction is executing code from a user-inputted string (buffer). However, when I attempt to execvp the string with additional i

Answer 1

Two problems:

1. You are passing an uninitialized string to the first strcat.
2. execvp expects an array of strings, not a single string with null-separated fields.