foo.c:1:1: error: unknown type name 'var'
foo.c:1:11: warning: built-in function 'y1' declared as non-function [enabled by default]
foo.c:1:24: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:2:1: warning: data definition has no type or storage class [enabled by default]
foo.c:2:1: warning: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
foo.c:2:3: warning: type defaults to 'int' in declaration of 'j' [-Wimplicit-int]
foo.c:2:6: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:3:1: error: unknown type name 'begin'
foo.c:4:1: warning: parameter names (without types) in function declaration [enabled by default]
foo.c:5:1: warning: data definition has no type or storage class [enabled by default]
foo.c:5:1: warning: type defaults to 'int' in declaration of 'readln' [-Wimplicit-int]
foo.c:5:1: warning: parameter names (without types) in function declaration [enabled by default]
foo.c:6:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:6:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:7:1: error: expected identifier or '(' before 'for'
foo.c:10:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:11:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:11:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:12:1: warning: data definition has no type or storage class [enabled by default]
foo.c:12:1: warning: type defaults to 'int' in declaration of 'end' [-Wimplicit-int]
foo.c:13:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:14:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
foo.c:15:10: error: expected ')' before ':' token
foo.c:16:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token