Parse input.
Parse input. Splits inp_buffer into white space-separated arguments. Sets margc to the number of such arguments, and margv[i] to point to the first non-space character of the i-th argument.
Splits inp_buffer into white space-separated arguments. Sets margc to the number of such arguments, and margv[i] to point to the first non-space character of the i-th argument.
Alphabetic index