how to make this empty string safe?please if anyone can help

Bart Recording * . . "cpro.c-Code:Blocks 2003 File Edit View Search Project Build Debug Fortran wwSmith Tools Tools+ Plugins DexyBlocks Settings Help Debug CC:4 IN 0) 31 32 return l; 33 34 else if (k Workspace 2 Bgfejk 3 int module stremp (const char *Lrlconst char 12) Sources mainc 5 FI 6 11(stri--'\0' 55 str2--10) 7 { int z=-111; 9 return z 10 1 11 else 12 13 while (sl) 14 15 16 17 if (stri!- +st 22) 10 break; 19 20 strl++; 21 22 str2-+; 23 24 1 25 26 int k-0; 27 20 k=* (const unsigned char)slil (const unsigned char*) St12; if (0) 30 31 32 33 24 return 1; else if ik 01 return -1; 36 37 Windows (CR+LF) WINDOWS-1252 Line 14, Col 1, Pos 174 Insert Modified Read/Wnte default C:\Users\962771 OneDrive Desktop cproc Type here to search L P w w 71% - 0) ENG 1:34 AM 1/8/2021