代码很简单,功能也很单一,这里就不多废话了,大家直接看代码吧。
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#include <stdio.h>
#include <string.h>
int main( int argc, char **argv){
char *token = argv[1];
FILE *fp = fopen ( "./test.txt" , "a+" );
char buf[1024];
char *p;
int s=-1,len= strlen (token),line=0,pos=-1;
while (! feof (fp)){
fgets (buf, sizeof (buf),fp);
line ++;
p = buf;
while (*p){
if (*p==token[0] && s==-1){
s = 0;
} else if (*p==token[s+1]){
s ++;
} else {
s = -1;
}
p++;
if (s==len-1){
printf ( "(%d,%d)\n" ,line,p-buf-len+1);
s=-1;
}
}
s=-1;
}
}
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