C, Read text file and process line by line.

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#define _BUFFER_SIZE_ 2048 FILE *fd; int line; char buf[_BUFFER_SIZE_]; fd = fopen("filename", "r"); if (fd) { line = 0; while(fgets(buf, _BUFFER_SIZE_, fd) != NULL) { /* process line by line */ line++; } fclose(fd); } else { /* open file error handle */ }