modified the crash

blh2enu.h

@@ -9,7 +9,7 @@ typedef struct
    double E;
    double N;
    double U;
-}blh2enu, *pblh2enu;
+}blh2enu;
 
 /* -------------------------------------------------------------------------- */
 /// @brief 将大地高坐标转换为站心坐标
@@ -21,18 +21,17 @@ typedef struct
 /// @param deltaz 卫星到站心的z坐标差值
 /// @return 返回自定义结构体类型包含E, N, U成员
 /* -------------------------------------------------------------------------- */
-pblh2enu BLH2ENU(pblh2enu blh2enu, 
-                 double stationB, double stationL,
-                 double deltax, double deltay, double deltaz)
+blh2enu BLH2ENU(blh2enu blh2enu, 
+                double stationB, double stationL,
+                double deltax, double deltay, double deltaz)
 {
     double sinB = sin(stationB);
     double cosB = cos(stationB);
     double sinL = sin(stationL);
     double cosL = cos(stationL);
-    blh2enu = (pblh2enu)malloc(sizeof(pblh2enu));
-    blh2enu->E = -     sinL*(deltax) +      cosL*(deltay);
-    blh2enu->N = -sinB*cosL*(deltax) - sinB*sinL*(deltay) + cosB*(deltaz);
-    blh2enu->U =  cosB*cosL*(deltax) + cosB*sinL*(deltay) + sinB*(deltaz);
+    blh2enu.E = -     sinL*(deltax) +      cosL*(deltay);
+    blh2enu.N = -sinB*cosL*(deltax) - sinB*sinL*(deltay) + cosB*(deltaz);
+    blh2enu.U =  cosB*cosL*(deltax) + cosB*sinL*(deltay) + sinB*(deltaz);
 
     return blh2enu;
 }