M_PI 90 ext/gd/gd.c #define M_PI 3.14159265358979323846 M_PI 5 ext/gd/libgd/gd_matrix.c # define M_PI 3.14159265358979323846 M_PI 109 ext/standard/php_math.h #define M_PI 3.14159265358979323846 /* pi */ M_PI 62 main/win95nt.h #define M_PI 3.14159265358979323846