Avoid conflict with ctype.h's _C and _L macros

Index: src/ode/src/lcp.cpp
--- src/ode/src/lcp.cpp.orig
+++ src/ode/src/lcp.cpp
@@ -274,7 +274,7 @@ void swapProblem (ATYPE A, dReal pairsbx[PBX__MAX], dR
 #ifdef DEBUG_LCP
 
 static 
-void checkFactorization (ATYPE A, dReal *_L, dReal *_d,
+void checkFactorization (ATYPE A, dReal *_l, dReal *_d,
                                 unsigned nC, unsigned *C, unsigned nskip)
 {
     unsigned i, j;
@@ -291,7 +291,7 @@ void checkFactorization (ATYPE A, dReal *_L, dReal *_d
     // printf ("A2=\n"); A2.print(); printf ("\n");
 
     // compute A3 = L*D*L'
-    dMatrix L (nC, nC, _L, nskip, 1);
+    dMatrix L (nC, nC, _l, nskip, 1);
     dMatrix D (nC, nC);
     for (i = 0; i < nC; i++) D(i, i) = 1.0 / _d[i];
     L.clearUpperTriangle();
@@ -379,9 +379,9 @@ struct dLCP {
     unsigned *const m_p, *const m_C;
 
     dLCP (unsigned _n, unsigned _nskip, unsigned _nub, dReal *_Adata, dReal *_pairsbx, dReal *_w,
-        dReal *_pairslh, dReal *_L, dReal *_d,
+        dReal *_pairslh, dReal *_l, dReal *_d,
         dReal *_Dell, dReal *_ell, dReal *_tmp,
-        bool *_state, int *_findex, unsigned *_p, unsigned *_C, dReal **Arows);
+        bool *_state, int *_findex, unsigned *_p, unsigned *_c, dReal **Arows);
     unsigned getNub() const { return m_nub; }
     void transfer_i_to_C (unsigned i);
     void transfer_i_to_N (unsigned /*i*/) { m_nN++; }			// because we can assume C and N span 1:i-1
@@ -409,9 +409,9 @@ struct dLCP {
 
 
 dLCP::dLCP (unsigned _n, unsigned _nskip, unsigned _nub, dReal *_Adata, dReal *_pairsbx, dReal *_w,
-            dReal *_pairslh, dReal *_L, dReal *_d,
+            dReal *_pairslh, dReal *_l, dReal *_d,
             dReal *_Dell, dReal *_ell, dReal *_tmp,
-            bool *_state, int *_findex, unsigned *_p, unsigned *_C, dReal **Arows):
+            bool *_state, int *_findex, unsigned *_p, unsigned *_c, dReal **Arows):
     m_n(_n), m_nskip(_nskip), m_nub(_nub), m_nC(0), m_nN(0),
 # ifdef ROWPTRS
     m_A(Arows),
@@ -419,8 +419,8 @@ dLCP::dLCP (unsigned _n, unsigned _nskip, unsigned _nu
     m_A(_Adata),
 #endif
     m_pairsbx(_pairsbx), m_w(_w), m_pairslh(_pairslh), 
-    m_L(_L), m_d(_d), m_Dell(_Dell), m_ell(_ell), m_tmp(_tmp),
-    m_state(_state), m_findex(_findex), m_p(_p), m_C(_C)
+    m_L(_l), m_d(_d), m_Dell(_Dell), m_ell(_ell), m_tmp(_tmp),
+    m_state(_state), m_findex(_findex), m_p(_p), m_C(_c)
 {
     dxtSetZero<PBX__MAX>(m_pairsbx + PBX_X, m_n);
 
