C语言 读取文件 查找字符串

int spilt_string(char *string)

{

int i=0;

const char *split="=";

char *p;

p = strtok(string,split);

while(p)

{

if(i == 1)

{

strcpy(string,p);

//printf(" is : %s \n",string);

return 0;

}

i++;

p=strtok(NULL,split);

}

return -1;

}

int find_position(char *find)

{

FILE *fp;

char *p, buffer[64]={0}; //初始化

int ret;

fp = fopen("/tmp/file.txt", "r");

if(fp < 0)

{

printf("open file failed.\n");

return -1;

}

//memset(buffer, 0, sizeof(buffer));

fseek(fp, 0, SEEK_SET);

while(fgets(buffer, 64, fp) != NULL)

{

p = strstr(buffer, find);

if(p)

{

// printf("string is :%s \n",p);

ret = spilt_string(p);

if(ret == 0)

{

memset(find, 0, sizeof(find));

strncpy(find,p,sizeof(p));

return 0;

}

}

memset(buffer, 0, sizeof(buffer));

}

fclose(fp);

return -1;

}

int get_ower()

{

char find[]="Power";

int ret;

ret = find_position(&find);

printf("ower --> %s",find);

return 0;

}

int main()

{

get_ower();

}.