32 lines
805 B
C
32 lines
805 B
C
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int getchar();
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int putchar(int ch);
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int printf(char* format, ...);
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int main() {
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int ch;
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while ((ch = getchar()) != -1) {
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if (ch == '\\') {
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ch = getchar();
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if (ch == 'n') {
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ch = '\n';
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} else if (ch == 't') {
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ch = '\t';
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} else if (ch == 'r') {
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ch = '\r';
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} else if (ch == '0') {
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ch = '\0';
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} else if (ch == '\\') {
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ch = '\\';
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} else if (ch == '\'') {
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ch = '\'';
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} else if (ch == '\"') {
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ch = '\"';
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} else {
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printf("unexpected escaped character: '\\%c'\n", ch);
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return 1;
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}
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}
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putchar(ch);
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}
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return 0;
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}
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