View Compilation Error

0_0_10967242_22176.cpp:5: error: `int abs' redeclared as different kind of symbol
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/stdlib.h:363: error: previous declaration of `int abs(int)'
0_0_10967242_22176.cpp:5: error: declaration of `int abs'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/stdlib.h:363: error: conflicts with previous declaration `int abs(int)'
0_0_10967242_22176.cpp:5: error: `a' was not declared in this scope
0_0_10967242_22176.cpp:6: error: expected `,' or `;' before '{' token