cosmopolitan/examples/seq.c
2023-10-11 21:45:32 -07:00

39 lines
1.3 KiB
C

#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/calls/calls.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/itoa.h"
/**
* @fileoverview Prints sequence of numbers.
*/
int main(int argc, char *argv[]) {
long a, b, i;
char ibuf[21];
switch (argc) {
case 2:
a = 1;
b = strtol(argv[1], 0, 0);
break;
case 3:
a = strtol(argv[1], 0, 0);
b = strtol(argv[2], 0, 0);
break;
default:
tinyprint(2, argv[0] ? argv[0] : "seq", ": missing operand\n", NULL);
return 1;
}
for (i = a; i <= b; ++i) {
FormatInt64(ibuf, i);
tinyprint(1, ibuf, "\n", NULL);
}
}