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#include <stdio.h>
int MyAtoI(char *buf)
{
int res = 0;
for (int i = 0; buf[i] != 0; res = res * 10 + buf[i++] - '0');
return res;
}
int MyAtoI_2(char *buf)
{
int res = 0;
int i = 0;
while (buf[i] != 0)
{
res = res * 10 + buf[i++] - '0';
}
return res;
}
int main()
{
char array[] = "12377";
printf("result1: %d\n", MyAtoI_2(array));
printf("result2: %d\n", MyAtoI(array));
return 0;
}
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cs |
