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char gc;
int gi;
char *gs;
int f()
{
char c;
unsigned char uc;
int i;
long int li = 23;
short int silly = 3;
char *s;
printf("hullo this is a %s !", "test");
(void) scanf("hullo, welcome to %d", &i); /* defines i */
printf("even %d %c harder", i, c); /* 1. Variable c used before definition */
uc = 'a';
printf("even %d %c harder", li, uc); /* 2. printf format arg 1 (%d) expects int gets long int: li */
printf("even %ld %d %hd %hd %d harder", i, li, i, silly, silly); /* 3, 4. [5, 6.]
* arg1 (expects long),
arg2 (expects int),
arg3 (expects short),
* (okay if +relaxquals) arg5 (expects int) */
(void) scanf("%*d okay"); /* [NO! 5. Statement has no effect] */
printf("%s %s", s, s); /* 5. Variable s used before definition */
printf("a real %+14.3i", c, i); /* 6, 7. printf format arg 1 (%i) expects int gets char: c, extra arg */
fprintf(stdout, "a real %+14.33i", c, i); /* 8, 9. fprintf format arg 1 (%i) expects int gets char: c, extra */
printf("%% %d %f %f", c, i); /* 10, 11, 12. printf format arg 1, arg2, missing arg 3 */
(void) scanf("hullo, welcome to %d", &i);
(void) scanf("hullo, welcome to %d", i); /* 13. scanf format arg 1 (%d) expects int * gets int: i */
/* 3 type errors */
(void) fscanf(stdin, "hullo, welcome to %d %c %s", i, c, &s); /* 14, 15, 16. arg1, arg2, arg3 */
/* 3 modification errors */
(void) fscanf(stdin, "hullo, welcome to %23d %c %s", &gi, &gc, gs); /* 17, 18, 19. modifies g1, gc, gs */
/* 1 modification error */
(void) fscanf(stdin, "hullo, welcome to %*23d %*c %s", gs); /* 20. modifies gs */
return 3;
}
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