C语言读取.txt文本每行字符十进制数据，转int型十进制

 1 #include<stdio.h>
 2 #include<string.h>
 3 #include<math.h>
 4 #include<stdlib.h>
 5 
 6 int main()
 7 {
 8     char c_number;
 9     int vector_num = 0;
10     int vector_value = 0;
11     int flag_negative = 0;
12 
13 
14     int _person1[128] = {0};
15     FILE *fp;  //定义所读文件的FILE
16 
17     if((fp = fopen("out1.txt","r")) == NULL)
18     {
19         perror("fail to read");
20         exit(1);
21     }
22 
23     while((c_number=getc(fp))!=EOF)
24     {
25 
26         if(c_number=='\n')
27         {
28 
29             if(flag_negative != 1)
30             {
31                 ;
32             }
33             else
34             {
35                 vector_value = -vector_value;
36             }
37             _person1[vector_num++] = vector_value;
38 
39 
40             printf("vector_num = %d,vector_value = %d\r\n",vector_num,_person1[vector_num-1]);
41 
42             flag_negative = 0;
43             vector_value = 0;
44         }
45         else
46         {
47             if(c_number != '-')
48             {
49                 vector_value *= 10;
50                 vector_value += (c_number - '0');
51 
52             }
53             else
54             {
55                 flag_negative = 1;
56             }
57 
58         }
59 
60 
61     }
62 
63     return 0;
64 }