View Compilation Error

0_0_13217245_739.c:7:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
 inline int lowbit(int x)
        ^
0_0_13217245_739.c: In function 'main':
0_0_13217245_739.c:38:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=1;i<=n;i++)
   ^
0_0_13217245_739.c:38:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code