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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main(void) {
  5.     char row[12345];
  6.     while (fgets(row, sizeof row, stdin)) {
  7.         char *ms;
  8.         int i;
  9.  
  10.         ms = strstr(row, "ms:");
  11.         if (ms == NULL) { fprintf(stderr, "Error: no 'ms:' in input.\n"); continue; }
  12.         if (sscanf(ms + 3, "%d", &i) != 1) { fprintf(stderr, "Error: invalid data.\n"); continue; }
  13.         printf("ms value is %d.\n", i);
  14.     }
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 1680KB
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stdin
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11/12/1999 foo:54654 some data..... ms:12123343 hot:32
11/12/1999 foo:54654 some data..... MS:12123343 hot:32
11/12/1999 foo:54654 some data..... ms:quux hot:32
11/12/1999 foo:54654 some data..... ms: hot:32
11/12/1999 foo:54654 some data..... ms:0 hot:32
11/12/1999 foo:54654 some data..... ms:-42 hot:32
stdout
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ms value is 12123343.
ms value is 0.
ms value is -42.
https://ideone.com/RUtAPU
language:
C99 (gcc 8.3)
created:
12 years ago
visibility:
secret

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