LINUX lower part error

Next LINUX error-general Linux technology-Linux programming and kernel information. The following is a detailed description. Write a 9x9 Sudoku game in C, and use numbers 1-9 to be unique in each row and column. After compilation with GCC is successful, the system always prompts "segment error" when running the program"
Here, I wrote a recursive function. The function is: when each number is written, it is determined that if the number in this column is not unique in this row, the number is removed until the condition is met. After this function is recursively run for N times when I use GDB for tracking, the following error message is displayed: Segment error,. What is the problem ,,,? This function is shown in the following example: Please help me solve it with experienced prawns.


Void cs_num (int z [], int m [], int n, int x, int d [] [9]) {
Int g, p, h;
For (g = 0; g P = m [g];
D [x] [p] = z [g];}
H = camp (z, m, n, x, d );
Printf ("% d \ n", h );
If (h> = 0 ){
Swapshuzu (z, m, n );
Cs_num (z, m, n, x, d );}}