View Compilation Error

190986_0_3779.c:2:19: string: No such file or directory
190986_0_3779.c: In function `main':
190986_0_3779.c:7: error: `s' undeclared (first use in this function)
190986_0_3779.c:7: error: (Each undeclared identifier is reported only once
190986_0_3779.c:7: error: for each function it appears in.)