Sams Teach Yourself C in 21 Days

In Review 381

146:

147: /*-----------------------------------------------------------*

148: * Function: display_report() *

149: * Purpose: This function displays a report to the screen *

150: * Returns: nothing *

151: * Notes: More information could be displayed. *

152: * Change stdout to stdprn to Print report *

153: *-----------------------------------------------------------*/

154:

155: void display_report()

156: {

CH 12 157: long month_total = 0,

158: grand_total = 0; /* For totals */

CH 12 159: int x, y;

160:

CH 14 161: fprintf(stdout, “\n\n”); /* skip a few lines */

162: fprintf(stdout, “\n REPORT”);

163: fprintf(stdout, “\n ========”);

164:

165: for( x = 0; x <= 12; x++ ) /* for each month, including 0 */

166: {

167: month_total = 0;

168: for( y = 0; y < last_entry; y++ )

169: {

170: if( list[y].month == x )

171: {

172: fprintf(stdout,”\n\t%s %s %s %ld”,list[y].fname,

CH 11 173: list[y].lname, list[y].phone,list[y].income);

174: month_total += list[y].income;

175: }

176: }

CH 14 177: fprintf(stdout, “\nTotal for month %d is %ld”,x,month_total);

178: grand_total += month_total;

179: }

180: fprintf(stdout, “\n\nReport totals:”);

181: fprintf(stdout, “\nTotal Income is %ld”, grand_total);

182: fprintf(stdout, “\nAverage Income is %ld”, grand_total/last_entry );

183:

184: fprintf(stdout, “\n\n* * * End of Report * * *”);

185: }

186:

187: /*-------------------------------------------------------------------*

188: * Function: continue_function() *

189: * Purpose: This function asks the user if they wish to continue. *

190: * Returns: YES - if user wishes to continue *

191: * NO - if user wishes to quit *

192: *-------------------------------------------------------------------*/

193:

194: int continue_function( void )

195: {

LISTINGR2.1 continued

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