foo.cpp: In function 'void ycl()':
foo.cpp:9:26: error: 'memset' was not declared in this scope
foo.cpp: In function 'void fm()':
foo.cpp:40:17: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
foo.cpp:43:17: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
foo.cpp:49:17: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
foo.cpp:52:17: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
foo.cpp: In function 'void doit()':
foo.cpp:80:29: error: 'memset' was not declared in this scope
foo.cpp:82:32: warning: left operand of comma operator has no effect [-Wunused-value]
foo.cpp:90:32: warning: left operand of comma operator has no effect [-Wunused-value]
foo.cpp:93:17: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]