Answers for "error: implicit declaration of function 'write' is invalid in C99[-Werror,-Wimplicit-function-declaration]write(1, &c, 1);"

error: implicit declaration of function 'write' is invalid in C99[-Werror,-Wimplicit-function-declaration]write(1, &c, 1);

implicit declaration of function 'read'
implicit declaration of function 'write'

//include this directive to make it work
#include <unistd.h>

Posted by: Guest on November-26-2020

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