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#include <stdio.h> #include <stdlib.h> int main() { char c = '\n'; if (iscntrl(c)) { printf("'%c' (ASCII value %d) is a control character", c, c); } else { printf("'%c' (ASCII value %d) is not a control character", c, c); } return 0; }
'
' (ASCII value 10) is a control character
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