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HamCall (April 1991)
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HAMCALL CD-ROM (Buckmaster)(April 1991).BIN
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prgming
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ctutor
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charclas.c
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1990-10-14
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66 lines
/* Chapter 13 - Program 2 */
#include "stdio.h"
#include "ctype.h" /* Note - your compiler may not need this */
main()
{
FILE *fp;
char line[80], filename[24];
char *c;
printf("Enter filename -> ");
scanf("%s",filename);
fp = fopen(filename,"r");
do {
c = fgets(line,80,fp); /* get a line of text */
if (c != NULL) {
count_the_data(line);
}
} while (c != NULL);
fclose(fp);
}
count_the_data(line)
char line[];
{
int whites, chars, digits;
int index;
whites = chars = digits = 0;
for (index = 0;line[index] != 0;index++) {
if (isalpha(line[index])) /* 1 if line[] is alphabetic */
chars++;
if (isdigit(line[index])) /* 1 if line[] is a digit */
digits++;
if (isspace(line[index])) /* 1 if line[] is blank, tab, */
whites++; /* or newline */
} /* end of counting loop */
printf("%3d%3d%3d %s",whites,chars,digits,line);
}
/* Result of execution (This is a portion of the output, but the
comments have been removed to allow this section to be
included as one large comment. This output assumes that
CHARCLAS.C is selected as the input file.)
1 0 0
10 22 2 for (index = 0;line[index] != 0;index++) {
18 36 1 if (isalpha(line[index]))
11 5 0 chars++;
22 32 1 if (isdigit(line[index]))
11 6 0 digits++;
18 34 1 if (isspace(line[index]))
45 15 0 whites++;
12 17 0 }
1 0 0
5 31 3 printf("%3d%3d%3d %s",whites,chars,digits,line);
1 0 0 }
*/