替换制表符为空白符

#include <stdio.h> #define TABINC 8 // tab length; int main() { int c, nb, pos; nb = 0; // number of blanks necessary pos = 1; // position of character in line while ( (c = getchar()) != EOF) { if (c == '/t') // tab character { nb = TABINC - (pos-1)%TABINC; while (nb > 0) { putchar(' '); ++pos; --nb; } } else if (c == '/n') // new line character { putchar(c); pos = 1; } else // other character { putchar(c); ++pos; } } return 0; }