Programming

Word to search - "function"
Stats :-
line no 21 count 1 
line no 250 count 3
line no 400 count 5

int searchLine( char *line, char **argv, int argc, int *counts )
{
    /* assume no matches - that means the "counts" array can be reused */
    int rc = 0;

    int ii;
    int jj;

    /* check input values to prevent SEGV */
    if ( ( NULL == line ) || ( NULL == argv ) || ( NULL == counts ) )
    {
        /* probably should emit an error here */
        return( rc );
    }

    /* zero out the counts array */
    for ( ii = 0, ii < argc, ii++ )
    {
        counts[ ii ] = 0;
    }

    /* determine how long the line is */
    int len = strlen( line );

    /* check if we match any of the words passed in starting at each
        character in the line of text */
    for ( ii = 0; ii < len; ii++ )
    {
        /* start from 1 instead of 0, assuming argv is the commaind-line
            args passed to main(), so argv[ 0 ] is the executable file name */
        for ( jj = 1; jj < argc; jj++ )
        {
            /* on a match, increment the count for that word and set return
                code to flag a match was found */
            if ( 0 == strcmp( &( line[ ii ] ), argv[ jj ] ) )
            {
                rc = 1;
                ( counts[ jj ] )++;
            }
        }
    }

    return( rc );
}

FILE *ff;
char *result;
char line[ MAX_LINE_LENGTH ];

ff = fopen( fileName, "r" );
if ( NULL == ff )
{
    return( ERROR );
}
do
{
    result = fgets( line, sizeof( line ) / sizeof( line[ 0 ] ), ff );
    if ( NULL != result )
    {
        /* process line of text */
    }
}
while ( NULL != result );
fclose( ff );