Atoi function: function prototype: Intatoi (constchar * nptr);

Function: Converts a string to an integer.

Parameter nptr string. If the first non-blank character exists, it is a number or symbol, and it will start type conversion. After that, when a non-numeric character (including the terminator \0) is detected, it will stop the conversion and return an integer. Otherwise, zero is returned.

Additional code: #include? " stdio.h"#include？ " stdlib.h"#include？ "conio.h" is invalid? main(){char？ str[ 1024]？ =? {0}; int？ IntergerPrintf ("Enter a number: \ n"); scanf("%s "，str)； sscanf(str，" %d "，& ampinter ger)； Printf ("Convert to plastic: %d\n",? inter ger)； getch()； }