glGetShaderInfoLog Interface to
OpenGL function glGetShaderInfoLog
usage: [ length, infoLog ] = glGetShaderInfoLog( shader, bufSize )
C function: void glGetShaderInfoLog(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog)
Psychtoolbox/PsychOpenGL/MOGL/wrap/_glGetShaderInfoLog.m